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Reika [66]
3 years ago
6

The volume of a 1968 ford mustang gt engine is 390 cubic inches"

Mathematics
1 answer:
denis-greek [22]3 years ago
8 0
Simple explanation: when you scale all of the sides of a prism, the volume changes by the scale factor CUBED (it's distributing to all of the sides)

Just put in your calculator:

\frac{390}{18^3} - \frac{390}{24^3}

(We know that 18*18*18 is going to be larger than 24*24*24, and when you divide something by a larger number, it's going to be less, so the 1:24 model is going to have a lesser volume)
and you should get an answer about equal to

\boxed{0.04\ in^3}

(I'm pretty sure your teacher doesn't want a fraction, because the exact answer is \frac{2405}{62208})
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37. Construct Arguments Luis and Raul are
Katarina [22]

Using the slope - intercept relation, the required equation which models the scenario and Raul's speed are ;

  • <em>y</em><em> </em><em>=</em><em> </em><em>-</em><em> </em><em>7.5x</em><em> </em><em>+</em><em> </em><em>15</em><em> </em>
  • <em>4</em><em> </em><em>miles</em><em> </em><em>per</em><em> </em><em>hour</em><em> </em>

Time difference, Δt = 1.2 hours - 0.5 hours = 0.7 hours

Change in distance, Δd = 11.25 - 6 = 5.25 miles

Assuming a constant speed :

  • Speed = (Δd ÷ Δt) = (5.25 ÷ 0.7) = 7.5 mi/hr

<u>Using the general form</u> :

  • y = bx + c

At, x = 1.2 hours ;

Miles left, y = 6 miles

End point decreases by 7.5 mi/hr (-7.5 mi/hr)

Inputting the data into the equation :

6 = - 7.5(1.2) + c

6 = - 9 + c

c = 6 + 9 = 15 miles

<u>The expression in slope intercept form becomes</u> ;

  • y = -7.5x + 15

<u>If Raul lives 5 miles closer to the beach</u> ;

<u>Time it will take Luis to get to the beach</u> :

  • Time taken = (15 ÷ 7.5) = 2.5 hours

Distance Raul has to cover = 15 - 5 = 10 miles

To reach the beach after 2.5 hours ;

  • Speed required = (10 ÷ 2.5) = 4 mi/hr

Therefore, Raul has to ride at 4 miles per hour for the plan to work.

Learn more :brainly.com/question/18405415

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2 years ago
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IgorC [24]
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3 years ago
What are all of the different possible outcomes when two 4-sided dice are rolled?​
Vinvika [58]

Step-by-step explanation:

first of all I don't think a 4 sided dice is even possible

but anyways

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1 2 2 2

1 3 2 3

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A hexagonal pyramid is cut by a plane as shown in the diagram. What is the shape of the resulting cross section?
tiny-mole [99]
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8 0
2 years ago
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